Import Root CA certificates in T5565 (ThinClient)

Error: "You have chosen not to trust the "Thawte Premium Server CA" the issuer of the server security certificate.

This affects some Linux users only.
If you have tried to connect to the Windows Citrix environment from a Linux machine, and get the following error message: "You have chosen not to trust the 'Thawte Premium Server CA' the issuer of the server security certificate".